Day | Mon | Tue | Wed | Thurs | Fri | Sat | Sun |
Rainfall (in mm) | 0.0 | 12.2 | 2.1 | 0.0 | 20.5 | 5.5 | 1.0 |
Answer:
(i) Range of the rainfall = Highest rainfall ? Lowest rainfall \[=\text{2}0.\text{5 mm}-0.0\text{ mm}=\text{2}0.\text{5 mm}\] (ii) Mean rainfall for the week \[\text{=}\frac{\text{sum of all observations}}{\text{number of observaion}}\] \[=\frac{0.0+12.2+2.1+0.0+20.5+5.5+1.0}{7}\] \[=\frac{41.3}{7}=5.9\text{mm}\] (iii) The rainfall was less than the mean rainfall on 5 days.
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